baber/WOPTO huggingface dataset:
Patent KR-20090015363-A (KR)
Title: Repairing method for bulging of reinforced soil retaing wall and soil-nail structure used for it
Inventor: LEE SEONG YEOL
IPC: E02D29/02
Filed: 2007-08-08
Abstract: A repair and reinforcement method for the swelling phenomenon of a reinforced earth retaining wall and a soil nail structure used for the same are provided to resist additional earth pressure and water pressure without damaging geotextiles of a reinforced earth retaining wall, and to prevent the damage of shotcreate and the lowering in the efficiency of a soil nail by the flexural deformation of a steel plate. A repair and reinforcement method for the swelling phenomenon of a reinforced earth retaining wall comprises the steps of perforating a nail insertion holes(S100), inserting nails to a plurality of the nail insertion holes(S200), injecting grout materials to the nail insertion holes and curing(S300), installing welded steel wire fabrics at a certain distance from the front of the retaining wall(S400), making a pair of reinforcing bars contact with heads of the nails and fastening with the welded steel wire fabrics(S500), inserting a steel plate having a through hole at the center to the head of the nail and adhering the steel plate closely to the reinforcing bar using a nut to fasten to the head of the nail(S600), perforating a plurality of drain holes to penetrate the reinforced earth retaining wall and installing drainpipes to the drain holes to make one end extended to the thickness of shotcrete to be placed(S700), and placing shotcrete on the front of the retaining wall(S800).
Patent KR-20090017222-A (KR)
Title: Auto precharge circuit sharing the write auto precharge signal generating unit
Inventor: KO HAN SUK
IPC: G11C11/4074
Filed: 2007-08-14
Abstract: An auto precharge circuit sharing a write auto precharge signal generating unit is provided to minimize an area of circuits by sharing an auto precharge signal generating unit included in each of auto precharge blocks. An auto precharge circuit sharing a write auto precharge signal generating unit includes a plurality of read auto precharge signal generation units(110), a write auto precharge signal generation unit(500), and a plurality of auto precharge signal output units(120). Each of the read auto precharge signal generation units generates an auto precharge sensing signal and a read auto precharge signal. The write auto precharge signal generation unit generates a write auto precharge signal by delaying the read auto precharge signal. Each of the auto precharge signal output units outputs an auto precharge signal.
Patent KR-20090019433-A (KR)
Title: A rotation-supporting apparatus, an assembly method thereof and a monitoring camera having the same
Inventor: LEE WOON HO
IPC: H04N7/18
Filed: 2007-08-21
Abstract: A rotation supporting device, an assembling method and a monitoring camera equipping the same for reducing the shake of the rotation body are provided to prevent a phenomenon shaking the rotation body and prevent the degradation of image quality. A rotation support device(160) comprises a frame(162), a bearing(163), a rotation shaft(164), and a bearing holder(165). The rotation support device is positioned between the camera unit and power unit. The rotational plate is pivotally supported. The frame is fixed on the center plate. An outer frame(162b) is produced by a normal method. The exterior of the outer frame is prepared by the gear(162c).
Patent KR-20090021873-A (KR)
Title: Case of electronic apparatus and method of manufacturing the same
Inventor: LEE SANG HO
IPC: B29C45/16
Filed: 2007-08-28
Abstract: A case of an electronic apparatus and a method of manufacturing the same are provided to simplify the manufacturing process of a case and improve the productivity by forming a membrane injection layer of low hardness on the surface of a case body through a double injection molding. A case of an electronic apparatus and a method of manufacturing the same comprises a step of injection-molding a case body, a step of arranging the case body inside a mold; a step of pouring into the molten low hardness resin between the surface of a case body and the mold; and a step of double injection-molding a low hardness thin film injection layer on the surface of the case body by solidifying the injected low hardness resin.
Patent KR-20070105939-A (KR)
Title: Automatic tissue microarray apparatus and method for preparation thereof
Inventor: I YEONG DO
IPC: G01N35/10
Filed: 2007-09-14
Abstract: An automatic tissue microarray apparatus and a method for preparing a tissue microarray block automatically are provided to improve the convenience of use, working efficiency, the precision of punching and the precision of arraying. An automatic tissue microarray apparatus comprises a sample module(20) which can be driven and provides the space for mounting at least one donor block and at least one recipient block; an extraction module(10) which can be driven in at least two directions and is provided with at least one punching tip to punch tissue from the at least one donor block, thereby arraying it to the at least recipient block; and a control part(50) which controls the drive of the sample module and the extraction module, and responds to the command inputted from the external part so as to control the punching and arraying operation at the extraction module.
Patent KR-20070099500-A (KR)
Title: Spherical shape cooker
Inventor: YOON JONG YOUNG
IPC: A47J27/02
Filed: 2007-09-18
Abstract: A spherical shaped cooker is provided to reduce cooking time and use heat energy effectively by mounting a ball at the center of the lid so as to concentrate and circulate heat energy, waves, and steam to the center in the cooker. A spherical shaped cooker comprises a pot, a lid, and a ball. The insides of the pot and the lid form a spherical shape when the lid is put on the pot. The ball is a conductive material(metal or non-metal) formed like a ball.
Patent KR-20090030692-A (KR)
Inventor: BAE JEOM GYU
IPC: E04G7/02
Filed: 2007-09-20
Abstract: A joint for a pipe is provided to fix two pipes intersecting by mounting the other pipe to a bracket of a coupler fixed to one pipe. A joint for a pipe comprises: a pair of couplers(30) assembled in one pipe; and a bracket(61) fixing the other pipe at predetermined angle to a pipe assembled in the coupler. The bracket comprises: a holder(63) supporting the other pipe; a support(67) extended from a part of the holder; and a stopper which is protruded from the rear side of the support and is inserted in a hooking protrusion(51) of the coupler.
Patent KR-20080055611-A (KR)
Title: Sliding mechanism and a portable electronic device
Inventor: HO PO FENG
IPC: F16F1/12
Filed: 2007-10-16
Abstract: A slide apparatus and a portable electronic device using the slide apparatus are provided to configure an elastic unit in characteristic design, thereby accomplishing a simple structure with excellent durability, consequently reliability can be improved. An elastic unit(30) consists of two torsion springs(31,32). The respective torsion springs have at least four loops(313,323) distributively unfolded on one plane. Each one end of the respective torsion springs is coupled with a main plate(11), while the other ends are coupled with a slide plate(20). Screw holes(13,14) are formed on the main plate, and fixed screws(33-36) are coupled with the screw holes to fix the two torsion springs to the main plate.
Patent KR-20090041992-A (KR)
Title: Reservoircup for cylinder type fuel tank
Inventor: CHOI WON KYU
IPC: B60K15/077
Filed: 2007-10-25
Abstract: A reservoir cup for a cylindrical fuel tank is provided to reduce dead storage of fuel by minimizing the gap between the reservoir cup and the fuel tank. A reservoir cup(100) for a cylindrical fuel tank comprises a cup body(110) in which the fuel is filled, and an intake unit(120) which is provided on the cup body to let the fuel of a fuel tank(10) into the cup body. The cup body has a curved surface to adhere to the bottom of the fuel tank. The intake unit is installed on the bottom of the cup body corresponding to the left and right sides of the fuel tank.
Patent KR-20090042072-A (KR)
Title: Manufacturing method of plastic pipe of built-in wire rod
Inventor: KIM HAK GUN
IPC: B29C65/06
Filed: 2007-10-25
Abstract: A manufacturing device of a wire built-in synthetic resin conduit is provided to prevent metal wire from be torn to the longitudinal direction with the water pressure or impact. A manufacturing device of a wire built-in synthetic resin conduit comprises: a step of molding a caliber pipe(12) made of a plastic material with a tube molding system(10); a step of spirally winding the external diameter of the caliber pipe with a metal wire by a first take up device(20); a step of spirally winding the external diameter of the caliber pipe with the metal wire by a second take up device(30); a step of coating adhesive on the external diameter of the caliber pipe with an adhesive coating device(40); a step of molding an external diameter pipe in the external diameter of the caliber pipe with the external diameter tube molding system(60); and a step of fixing a finishing ring at both end of the synthetic resin conduit.
Patent KR-20080046089-A (KR)
Title: Method and system of scalable encoding/decoding audio/speech signal
Inventor: OH EUN MI
IPC: G10L19/02
Filed: 2007-10-29
Abstract: A method and a system of scalable encoding/decoding an audio/speech signal are provided to enhance the SNR(Signal-to-Noise Ratio), thereby enhancing the sound quality of the output signal. A band separation member(110) separates the input signal into the low frequency band signal and high frequency band signal. An extension encoding/decoding device(200) encodes the separated low frequency band signal as a basic layer and at least one extension layer and decodes the encoded basic layer and the extension layer. An error signal generating member produces an error signal by means of the signals that the low frequency band signal, the encoded basic layer and at least one extension layer are decoded. An enhancement layer encoding member(140) encodes the error signal and the high frequency band signal as the SNR enhancement layer and the band-width enhancement layer.
Patent KR-20090043377-A (KR)
Inventor: PARK CHANG BAE
IPC: F16K31/06
Filed: 2007-10-29
Abstract: 부재들의 조립이 정확하면서도 용이해질 수 있도록 개선된 솔레노이드 밸브가 개시된다.  개시된 솔레노이드 밸브는 본체 내에 이동가능하게 설치된 스풀과, 스풀에 의해 개폐되는 경로를 형성하는 시트와, 시트를 고정시키는 지지블럭을 포함하며, 지지블럭이 본체에 마련된 결합 위치에 끼워맞춤식으로 결합되는 것을 특징으로 한다.  이러한 구조에 의하면, 지지블럭의 결합을 나사결합이 아닌 끼워맞춤 결합으로 진행하기 때문에, 결합이 삐딱하게 이루어질 위험이 적어서 정확하고 안정된 결합을 유지할 수 있다.
Patent KR-20080039297-A (KR)
Title: Oscillator circuit and semiconductor device including the same
Inventor: MATSUZAKI TAKANORI
IPC: H03K3/354
Filed: 2007-10-30
Abstract: An oscillation circuit and a semiconductor device having the same are provided to improve reliability by generating a stable clock. A semiconductor device includes a voltage controlled oscillation circuit(11), a control circuit(224), a first transistor(205), and a second transistor(206). The voltage controlled oscillation circuit has an output terminal for outputting a first voltage terminal, a second voltage terminal and a clock signal. The control circuit is electrically coupled between the first voltage terminal and the second voltage terminal, and uniformly maintains a potential difference between the first voltage terminal and a control terminal of the control circuit. The first transistor has a first gate electrode, a first source, and a first drain. The first gate electrode is electrically coupled to an input terminal of the voltage controlled oscillation circuit. The first source is electrically coupled to the second voltage terminal. The first drain is electrically coupled to the first gate electrode. The second transistor has a second gate electrode, a second source, and a second drain. The second gate electrode is electrically coupled to the control terminal of the control circuit. The second source is electrically coupled to the first voltage terminal. The second drain is electrically coupled to the first drain.
Patent KR-20090044673-A (KR)
Title: 회전가능한 유아용 카 시트의 벨트 잠금장치
Inventor: LEE JI YOUNG
IPC: B60N2/26
Filed: 2007-11-01
Abstract: 본 발명은 유아용 시트를 시트받침대와 시트받침대에 회전 동작가능한 시트본체로 구성하여, 그 회전 분할면 사이로 차체측 안전벨트를 걸 수 있도록 함과 동시에 벨트 잠금장치를 이용하여 시트본체를 확고하게 잠금시켜 유아용 카 시트의 사용 안전성을 높인 회전가능한 유아용 카 시트의 벨트 잠금장치를 제공하기 위한 것이다. 본 발명의 구체적인 수단은, 시트 받침대에 회전가능하게 결합된 시트 본체를 갖는 유아용 카 시트에 있어서, 상기 시트 본체가 시트 받침대로부터 소정 각도로 회전된 상태에서 차량 안전벨트를 거는 경우 사선방향으로 지나가는 부분을 고정하기 위해 벨트고정수단이 구성되고, 상기 벨트고정수단은 상기 시트 받침대의 일측 전면에 위치된 힌지핀과; 상기 힌지핀에 회전 가능하게 결합된 벨트클립으로 구성된 것을 특징으로 한다. 
       
     카 시트, 유아, 차량, 벨트클립, 안전벨트
Patent KR-20090044824-A (KR)
Inventor: KIM DAE HO
IPC: G21C3/00
Filed: 2007-11-01
Abstract: 본 발명은 이중냉각(Exterior/Interior) 핵연료봉의 내부냉각성능을 개선하고 이물질에 의한 내부수로의 전체 막힘을 방지하는 하부 봉단마개에 관한사항으로, 핵연료봉 하단에 위치한 하부 봉단마개의 환형 안쪽에 일정각의 유도날개(Vane)가 달려 있어 유체의 내부유도 및 유로개선을 통하여 냉각성능을 향상시키고,  하부끝단에 홈과 유도날개의 형상을 이용하여 이물질에 의한 전체 막힘을 방지하지 하는 기능을 제공함으로서 이중냉각 핵연료봉의 안쪽과 바깥쪽의 열적차이를 일부 해소할 수 있는 기능을 수행하고, 열수력적 안정성이 확보된 핵연료의 이용성 확대에 기여하는 기술을 제공하는 것이다.  
          본 발명의 하부 봉단마개에 가공되는 유도날개는 내부 수로의 크기와 냉각수량의 변화 등의 열수력적 해석의 결과를 이용하여 다양한 방향과 날개수를 결정할 수 있다. 
       
     이중냉각 핵연료봉, 환형 봉단마개
Patent KR-20090045664-A (KR)
Inventor: KIM DAE YOUNG
IPC: B05B13/02
Filed: 2007-11-02
Abstract: 본 발명의 예시적인 실시예는 차체 강판의 내측면에 액상 물질(실러 조성물)을 일정한 두께 및 폭으로서 다층으로 도포할 수 있도록, ⅰ)소정의 펌핑 압력으로서 상기 액상 물질을 압송하기 위한 복수의 펌핑유닛과, ⅱ)상기 각 펌핑유닛과 연결되게 설치되고, 복수의 플레이트가 겹쳐진 형태로서 그 플레이트들 사이에 노즐 통로가 형성되며, 상기 각 펌핑유닛에 의해 상기 노즐 통로로 압송되는 상기 액상 물질을 상기 플레이트들 사이의 틈새를 통해 상기 차체 강판의 내측면에 기설정된 두께와 폭을 지닌 다층으로서 도포하는 노즐유닛을 포함하는 액상 물질 다층 도포장치를 제공한다. 
       
     액상 물질, 실러, 펌핑유닛, 노즐유닛, 노즐 바디, 노즐 패턴
Patent KR-20090048895-A (KR)
Inventor: KIM HYOUCK JU
IPC: F01N3/24
Filed: 2007-11-12
Abstract: 본 발명은 엔진 열병합발전소의 내연기관에서 발생하는 질소산화물을 제거하기 위하여 중온가스부에 설치된 탈질촉매의 반응온도를 유지하기 위하여 설치한 촉매가 빠르게 활성화하고, 냉방용 냉수기에 공급되는 중온수를 소정의 온도로 일정하게 유지할 수 있도록, 냉방 또는 난방으로 활용된 순환수의 온도를 측정하여 기준온도 이하인 경우에는 보일러에서 열교환된 고온의 순환수를 직접 온수순환펌프로 공급시켜 보일러 순환수온도 상승속도를 빠르게 할 수 있고, 순환수 유량을 조절하여 온도를 일정하게 유지할 수 있는 엔진 열병합발전소 질소산화물 저감시스템의 순환수 온도제어장치에 관한 것이다.  
     본 발명에 의하면, 엔진 열병합 발전소 시스템에서 질소산화물을 낮게 하는 탈질 반응에 걸리는 기동시간이 짧아지고 보일러에서 얻어지는 온수온도를 일정하게 유지하여 전체 냉난방 효율을 향상시킬 수 있는 장점이 있다.  
     
     엔진 열병합 발전소, 온도센서, 삼방변, 보조연소기, IC엔진, 바이패스
Patent KR-20090007196-A (KR)
Title: Fixing structure of article and hinge device
Inventor: MURATA SHIGEO
IPC: F16B35/00
Filed: 2007-11-14
Abstract: A fixing structure and a hinge apparatus are provided to fix an article to a member by inserting the stud to the corresponding stud insertion part. A fixing structure comprises a blade member(2) having a stud insertion hole(4), and a stud insertion part(5) protruding from the stud insertion hole. The stud insertion part includes an insertion space(5a) connected with the stud insertion hole, a plurality of flap parts(5c) divided by a slit(5b), and a snap-fit portion(5e) which is combined with a stud(3) and in order to prevent the separation of the stud, wherein the stud insertion part is inserted into a circular hole(21) formed on a member(A) and the flaps open so that the stud insertion part is kept from coming off from the circular hole.
Patent KR-20090049844-A (KR)
Inventor: KIM HYONG DON
IPC: E05B27/10
Filed: 2007-11-14
Abstract: 상기의 한 과제를 해결하기 위한 본 발명에 따른 자동차 도어 키 세트는, 키가 삽입되는 키홈이 형성된 제 1 로터부와, 제 1 로터부가 상대 회전 가능하도록 결합되며, 상기 제 1 로터부의 회전에 의한 회전력을 받지 않고, 내부에 텀블러가 수용되는 제 2 로터부가 포함되어, 
     	종래의 일체형으로 형성된 로터를 제 1 로터부와 제 2 로터부로 나누고, 탄성부재를 삽입하여 결합함에 따라 외부에서 토크를 가하더라고 로터 전체가 힘을 받지 못하게 방지하고, 상기 탄성부재에 의해 원위치로 되돌아오게 되어 자동차의 도난 방지 향상에 큰 효과가 있다. 
       
     로터, 키 세트, 텀블러, 탄성부재
Patent KR-20090051975-A (KR)
Title: 고밀도 광 디스크 기록 및 재생 장치에서 타이틀 재생 횟수관리 방법
Inventor: CHANG WOO SEOK
IPC: G11B27/10
Filed: 2007-11-20
Abstract: 본 발명은 고밀도 광 디스크 기록 및 재생 장치에서 타이틀 재생 횟수 관리 기술에 관한 것으로, 고밀도 광 디스크에 저장된 음성 및 영상 타이틀 정보를 재생하고, 재생중인 타이틀 정보를 추출하며, 타이틀 재생 횟수를 생성하여 추출된 타이틀 정보와 생성된 타이틀 재생 횟수를 메모리에 저장하고, 저장된 데이터에 대한 통계를 산출하는 것을 특징으로 한다. 본 발명에 의하면, 특정 영화 타이틀을 재생하면서, 재생 타이틀 정보와, 재생 횟수 정보를 디스크 제작사 서버에 저장하도록 함으로써, 타이틀 재생 횟수를 실시간으로 판단 및 제어할 수 있다. 
       
     고밀도 광 디스크, 블루레이, 타이틀, 타이틀 재생 횟수
Patent KR-20090008104-A (KR)
Title: Gold finger of circuit board and fabricating method thereof
Inventor: HUANG TSU SHUN
IPC: H05K1/02
Filed: 2007-11-28
Abstract: A gold finger of circuit board and manufacturing method thereof are provided to maintain intensity of gold finger after cutting a board edge by removing connection bars of board edge through etching process. A circuit board(200) having a board edge(202) for cutting is provided. A copper conductive line pattern is formed on the circuit board, and includes a plurality of gold finger bodies(206) and a plurality of connection bars. Each connection bar is connected to a corresponding gold finger, and crosses the board edge. A first dry film is formed on the circuit board, and includes a plurality of openings. Each opening exposes a corresponding gold finger body. A surface of exposed gold finger bodies is plated with gold. The first dry film is removed. The connection bar is removed from the board edge through an etching process.
Patent KR-20090057794-A (KR)
Title: An apparatus for processing a substrate and a processing method of a substrate
Inventor: KIM DAE SUNG
IPC: H01L21/027
Filed: 2007-12-03
Abstract: An apparatus and a method for treating a substrate are provided to perform a process for removing solvent included in photoresist in only one facility by forming a reaction space for coating the photoresist on a substrate into a vacuum condition. A substrate is arranged on a top part of a substrate supporting plate(110). A main frame(100) is positioned in a bottom part of the substrate supporting plate. A nozzle device(130) is arranged on the substrate supporting plate. The nozzle device coats photoresist on the substrate. A top chamber is coupled in the substrate supporting plate. The top chamber provides a predetermined reaction space to the substrate. A vacuum forming part is connected to the top chamber, and makes the reaction space into the vacuum condition.
Patent KR-20090060524-A (KR)
Title: Idle gear assembly having improved lubricating ability
Inventor: JEONG SANG WON
IPC: F16H57/04
Filed: 2007-12-10
Abstract: An idle gear assembly having improved lubricating ability is provided to prevent the driving noise by forming a lubricant storing groove in the lubricant groove. The idle gear(30) delivers the power of the crank shaft gear to the drive gear. The idle gear shaft(20) is combined in the cylinder block(10). The bearing(40) is arranged between the outer circumference and the idle gear of the idle gear shaft. The thrust washer(50) prevents a bearing from being broken away from the axial direction. The fixing means(60) fixes the thrust washer on the idle gear shaft. The lubricating oil storage hole(80) is prepared between the thrust washer and the idle gear shaft. The lubricating oil exhaustion groove(90) ejects the lubricating oil of the lubricating oil storage hole in the radial direction.
Patent KR-20090062925-A (KR)
Title: Clutch actuator
Inventor: KAM JEONG HEON
IPC: F16D13/70
Filed: 2007-12-13
Abstract: A clutch actuator is provided to control a manual transmission electronically with low physical effort by using structures of an electric motor and a cam. A clutch actuator comprises: a shaft(105) rotated by a driving unit; a cam assembly(110) with a protruded cam from the external surface of the shaft; a fork(115) whose one side is in contact with the cam assembly; and a support member connected to the other side of the fork. The driving unit represents a motor(100) controlled by an electronic control unit. The cam consists of a first cam(110a) with a first height of a lobe and a second cam(110b) with a second height of the lobe higher than the first height.
Patent KR-20090064816-A (KR)
Title: Bathing device by infrared rays
Inventor: LEE YUNG GU
IPC: A61H33/10
Filed: 2007-12-17
Abstract: A far infrared rays fumigator is provided to reinforce the heart by controlling the blood pressure, to control the blood sugar of diabetes, and to relieve myalgia. A far infrared rays fumigator comprises a body part, a control part, an IR lamp, a graphite lamp, a support plate, and a voltage control part. The body part(100) is provided with a seating part(120). The control part is provided inside the body part and is operated by the application of power. The IR lamp is provided inside the body part and is controlled by the control part. The graphite lamp is provided inside the body part and is controlled by the control part. The support plate is provided inside the body part, supports the IR lamp and combines and supports the graphite lamp. The voltage control part is provided inside the body part, is controlled by the control part, and controls the voltage of the IR lamp and the graphite lamp.
Patent KR-20090065929-A (KR)
Title: Prism sheet and liquid crystal display using the same
Inventor: KWON SEUNG WOOK
IPC: G02B5/02
Filed: 2007-12-18
Abstract: A prism sheet and a liquid crystal display using the same are provided to reduce energy consumption while improving luminance and to secure excellent optical diffusion efficiency and intensity. A prism sheet is composed of a base film(110) and a prism. The prism(120) is positioned on the base film. The prism consists of continuous concave portions and convex portions. The ridge of the prism has a curvature radius of 1mum~10mum. The prism includes a plurality of beads(140). The heights of the concave portions and the convex portions are changeable in a longitudinal direction. The concave portions and the convex portions have a continuous wave shape.
Patent KR-20090066125-A (KR)
Title: Testing equipment of high temperature condition by using ultrasonic flow
Inventor: JEUNG IN SEUCK
IPC: B01L99/00
Filed: 2007-12-18
Abstract: A high temperature experiment apparatus using a shock wave is provided to increase the temperature of flow by using a shock wave, thereby reducing the manufacturing cost and the operation cost remarkably. A high temperature experiment apparatus using a shock wave comprises a shock wave generation part(10) which generates a shock wave to form the flow of high temperature; a nozzle(20) which is connected with the shock wave generation part to accelerate the flow of high temperature; and an experiment chamber(30) which is connected with the nozzle to be supplied with the flow of the accelerated high temperature, and where the vertical shock wave generation part(32) or experiment model is installed. The vertical shock wave generation part or experiment model collides with the flow of the accelerated high temperature to generate the vertical shock wave so as to increase temperature.
Patent KR-20090066421-A (KR)
Title: Air conditioner for vehicles
Inventor: HAN SEONG SEOK
IPC: B60H1/00
Filed: 2007-12-20
Abstract: A vehicle air-conditioner is provided to form a supporting guide of a case and a fluctuation preventing protrusion to maintain pitch of peaks and valleys of a filter uniform. A vehicle air-conditioner includes a filter insertion part(102), a filter(131) and a filter cover(140). The filter insertion part is formed at one side of an air-conditioner case(101). The filter filters impurities included in the air flowing in the air-conditioner case. The filter is inserted into the case through the filter insertion part. The filter includes peaks(132a) and valleys(132b). The filter cover is detachably combined with the filter insertion part and seals up the filter insertion part. A plurality of supporting guides(113) are formed at the other side of the case. The supporting guides support the filter. Fluctuation preventing protrusions are formed at the ends of the supporting guides and inserted into the peaks of the filter.